Bottle preform mouth positioning device for bottle blowing machine

The invention discloses a bottle preform mouth positioning device for a bottle blowing machine. The device comprises a machine table (1), a driving group arranged on the machine table (1) and a revolution group arranged on the periphery of the machine table; the revolution group comprises a plurality of positioning assemblies (2) fixedly arranged on the driving group and a first transmission belt(3) fixedly arranged on the periphery of the machine table (1);and the positioning assemblies (2) are engaged with the first transmission belt (3). By means of the device, the requirement for positioning on the bottle preform mouth of a special type of bottle is met, and the positioning function of the bottle preform mouth is achieved, so that the bottle blowing machine is able to blow the bottletype with the requirement for positioning the bottle mouth. 本发明公开了一种吹瓶机用瓶胚牙口定位装置，包括机台(1)，设在机台(1)上的驱动组和设在机台外周的公转组；公转组包括固定在驱动组上的若干定位组件(2)和固定设置在机台(1)外周的第一传动带(3)，定位组件(2)与第一传动带(3)啮合。本发明解决了特殊类型瓶子对瓶胚牙口的有定位要求的问题，实现了瓶胚牙口的定位功能，使得吹瓶机可以吹制